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avcodec/g723_1dec: Fix LCG type 

Fixes: 1567/clusterfuzz-testcase-minimized-5693653555085312

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-05-14 14:00:42 +02:00
parent 69b83f5992
commit f2c539d350
1 changed files with 1 additions and 1 deletions
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2
libavcodec/g723_1dec.c
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@ -488,7 +488,7 @@ static void residual_interp(int16_t *buf, int16_t *out, int lag,
(FRAME_LEN - lag) * sizeof(*out)); (FRAME_LEN - lag) * sizeof(*out));
} else { /* Unvoiced */ } else { /* Unvoiced */
for (i = 0; i < FRAME_LEN; i++) { for (i = 0; i < FRAME_LEN; i++) {
*rseed = *rseed * 521 + 259; *rseed = (int16_t)(*rseed * 521 + 259);
out[i] = gain * *rseed >> 15; out[i] = gain * *rseed >> 15;
} }
memset(buf, 0, (FRAME_LEN + PITCH_MAX) * sizeof(*buf)); memset(buf, 0, (FRAME_LEN + PITCH_MAX) * sizeof(*buf));